<template>
  <view>
    <view v-for="(item,index) in goods" :key="index" @click="goGoodsDetail(item)">
      <goods :goods="item"></goods>
    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        queryObj:{
          query:'',
          cid:'',
          pagenum:1,
          pagesize:10
        },
        goods:[],
        total:0,
        //节流阀
        isLoading:false
       
      }
    },
    onLoad(options){
      //获取参数
      this.queryObj.query = options.query || ''
      this.queryObj.cid = options.cid || ''
      //发送请求
      this.getGoods()
    },
    //上拉加载更多
    onReachBottom() {
      if(this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕')
      if(this.isLoading)return
      this.queryObj.pagenum++
      this.getGoods()
    },
    //下拉刷新
    onPullDownRefresh() {
      //重置数据
      this.queryObj.pagenum = 1
      this.total = 0
      this.isLoading = false
      this.goods = []
      this.getGoods(()=>uni.stopPullDownRefresh())
    },
    methods:{
      async getGoods(cb){
        this.isLoading = true
        const {data:res} = await uni.$http.get('/api/public/v1/goods/search',this.queryObj)
        this.isLoading = false
        cb && cb()
        if(res.meta.status!==200)return uni.$showMsg()
        this.goods = [...this.goods,...res.message.goods]
        this.total = res.message.total
      },
      goGoodsDetail(item){
        uni.navigateTo({
          url:'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id
        })
      }
    }
  }
</script>

<style lang="scss">
  
</style>
